[PORT FROM R2] atomisp: set sensor's binning factor to ISP before streaming

[PORT FROM R2] atomisp: set sensor's binning factor to ISP before streaming

BZ: 17272

When Atomisp changes sensor's format, it needs to ask for sensor's
binning factor which necessary for internal operations. This patch
implements such functionality.

Change-Id: I0a2f47f58da270c6f62b08c6f3d4534da17e0113
Orig-Change-Id: Id5754ad893b0e91628f6407b650f0532cb6fc52f
Signed-off-by: David Cohen <david.a.cohen@intel.com>
Reviewed-on: http://android.intel.com:8080/22979
Reviewed-by: Wang, Wen W <wen.w.wang@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
Reviewed-on: http://android.intel.com:8080/28000
Reviewed-by: Tuominen, TeemuX <teemux.tuominen@intel.com>
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>